Asector of a circle has central angle θ=5π/6 and area 15π ft2. find the radius of this circle.

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7